US7984860B2 - Regulation control system of air conditioning equipment - Google Patents

Regulation control system of air conditioning equipment Download PDF

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Publication number
US7984860B2
US7984860B2 US12/179,004 US17900408A US7984860B2 US 7984860 B2 US7984860 B2 US 7984860B2 US 17900408 A US17900408 A US 17900408A US 7984860 B2 US7984860 B2 US 7984860B2
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Prior art keywords
air conditioning
conditioning equipment
regulation
entrance
condition
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Expired - Fee Related, expires
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US12/179,004
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English (en)
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US20090026280A1 (en
Inventor
Shiue-Juan Liao
Chun-Hung Huang
Tsung-Ray Wang
Shu-Fen Lin
Yu-Huan Wang
Chien-yuan Chen
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Chunghwa Telecom Co Ltd
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Chunghwa Telecom Co Ltd
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Assigned to CHUNGHWA TELECOM CO., LTD. reassignment CHUNGHWA TELECOM CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, CHIEN-YUAN, HUANG, CHUN-HUNG, LIAO, SHIUE-JUAN, LIN, SHU-FEN, WANG, TSUNG-RAY, WANG, YU-HUAN
Publication of US20090026280A1 publication Critical patent/US20090026280A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy

Definitions

  • This invention generally relates to air conditioning equipment techniques, and more specifically, to a regulation control system of air conditioning equipment, which combines with entrance guarding device and/or human body movement detecting device.
  • Air conditioning equipments are very popular applied electronic equipments in various kinds of buildings, especially in large-scale commercial places, such as office buildings, factory buildings, hotels, restaurants, hospitals, supermarkets, wholesale stores, and department stores; a present air conditioning equipment normally includes at least air conditioner heater unit, air handling unit (AHU), precooling air handler (PAH), and fan coil unit (FCU); basically, an air conditioning equipment is capable of adjusting air temperature in an enclosed room to a pleasant condition for people to stay inside as well as taking in proper outdoor fresh air to avoid discomfort and danger caused by high levels of carbon dioxide inside a building.
  • AHU air handling unit
  • PAH precooling air handler
  • FCU fan coil unit
  • An air conditioning equipment generally operates long hours or even 24 hours a day, energy consumed by the air conditioning equipment depends on factors, such as size of usage space, outdoor temperature, being shaded from sun or not, attendance at a specific time as well as usage pattern.
  • setting temperature at air conditioning equipment is also a matter of usage pattern, according to an energy statistic report by Ministry of Economic Affairs, R.O.C., raising the preset temperature one Celsius degree up could save 6% consumed energy.
  • the abovementioned air conditioning equipments of one-way control are capable of lowering down consumed energy by utilizing entrance guarding at usage surroundings of the air conditioning equipments, raising preset temperature, and saving energy thus; as a matter of fact, condition of entrance guarding and the setting of temperature are closely related.
  • the entrance guarding device includes, more specifically, automatic door for people to get in and go out as well as window exhaust fan; there are many factors that will cause the entrance guarding device open, such as when someone forgets to close the door, does not close it properly, or intentionally leave the door open; according to prior air conditioning equipments, in order to control temperature of usage surroundings of an air conditioning equipment to be at a preset temperature, wind speed and/or compressor operation mechanism must be increased when the entrance guarding device is open and hot air is led into inside; naturally, increasing wind speed and/or compressor operation mechanism consume more energy.
  • air conditioning equipments sometimes keep operating even when there is no occupant inside, thereby causing unnecessary waste of energy; causes of the situation are: users forgot to turn off the air conditioning equipments, users planned to return but didn't, last users thought there were still other users in; the last users didn't know how to turn off the air conditioning equipments.
  • a regulation control system of air conditioning equipment which is for regulating and controlling air conditioning equipments;
  • the regulation control system comprises: one entrance guarding device, which is for detecting usage condition of entrance and/or windows, also the entrance guarding device has a timer unit that is for calculating time period of opening/closing at the entrance and/or windows, and then data of air conditioning usage surroundings condition are produced based on detected condition of opening/closing, the data of air conditioning usage surroundings condition include condition and time period of opening/closing at entrance and/or windows; and an air conditioning control device, which includes a storage module that stores a set of preset regulation parameters corresponding to different data of air conditioning usage surroundings condition, and then based on the data of air conditioning usage surroundings condition derived from the entrance guarding device with referring to the preset regulation parameters, the air conditioning control device executes regulation and control over air conditioning equipments.
  • the regulation control system of air conditioning equipment of the present invention which is for regulating and controlling air conditioning equipments, further comprises: a human body movement detecting device that is for detecting usage condition that whether users are inside the usage surroundings of the air conditioning equipment, and then based on the detected usage condition, data of air conditioning usage surroundings condition are generated; and an air conditioning control device, which includes a storage module that stores a set of preset regulation parameters corresponding to different data of air conditioning usage surroundings condition, and the air conditioning control device executes regulation and control over the air conditioning equipments based on the data of air conditioning usage surroundings condition derived from the human body movement detecting device with referring to the preset regulation parameters.
  • the regulation control system of air conditioning equipment which is for regulating and controlling air conditioning equipments further comprises: an entrance guarding device, which is for detecting usage condition of entrance and/or windows, and the entrance guarding device also has a timer unit that is for calculate time period of opening/closing at the entrance and/or windows, and then based on detected condition of opening/closing, data of air conditioning usage surroundings condition are generated, the data of air conditioning usage surroundings condition include condition and time period of opening/closing at the entrance and/or windows; a human body movement detecting device, which is for detecting usage condition that whether users are inside the usage surroundings of the air conditioning equipments, and then based on the detected usage condition, data of air conditioning usage surroundings condition are generated; and an air conditioning control device, which includes a storage module that stores a set of preset regulation parameters corresponding to different data of air conditioning usage surroundings condition, and the air conditioning control device executes regulation and control over the air conditioning equipments based on the data of air conditioning usage surroundings condition derived from the
  • the regulation control system of air conditioning equipment of the present invention combines entrance guarding device and/or human body movement detecting device with air conditioning control device, and provides the air conditioning control device with data of air conditioning usage surroundings condition generated by the entrance guarding device and/or human body movement detecting device, and then the air conditioning control device executes regulation and control over the air conditioning equipment based on the data of air conditioning usage surroundings condition with referring to preset regulation parameters; accordingly, the air conditioning equipment is adjusted properly to a preset usage condition, thereby reaching objective of energy management of air conditioning equipment.
  • FIG. 1 is an application structure diagram of first embodiment of a regulation control system of air conditioning equipment of the present invention
  • FIG. 2 is an application structure diagram of second embodiment of a regulation control system of air conditioning equipment of the present invention.
  • FIG. 3 is an application structure diagram of third embodiment of a regulation control system of air conditioning equipment of the present invention.
  • FIG. 1 is an application structure diagram of the first embodiment of a regulation control system of air conditioning equipment of the present invention.
  • the regulation control system of air conditioning equipment 10 of the present invention is applicable to any air conditioning equipment 100 installed inside various kinds of buildings, especial large-scaled commercial places, such as office buildings, factory buildings, hotels, restaurants, hospitals, supermarket, wholesale stored, department stores, and so on; the air conditioning equipment 100 combines air conditioner heater unit 1001 , air handling unit (AHU) 1002 , precooling air handler (PAH) 1003 , and fan coil unit (FCU) 1004 .
  • AHU air handling unit
  • PAH precooling air handler
  • FCU fan coil unit
  • the air conditioning equipment 100 is not restricted to the aforesaid combination of air conditioner heater unit 1001 , air handling unit (AHU) 1002 , precooling air handler (PAH) 1003 , and fan coil unit (FCU) 1004 ; it can be a part or parts of the combination.
  • the regulation control system of air conditioning equipment 10 of the present invention comprises an entrance guarding device 102 , an air conditioning control device 104 , and an alerting module 106 .
  • the entrance guarding device 102 is for detecting usage condition of entrance 20 and windows 21 , also the entrance guarding device 102 includes a timer unit 1022 that is for calculating time period of opening/closing at the entrance 20 and windows 21 ; and then data of air conditioning usage surroundings condition are generated based on detected condition of opening/closing, the data of air conditioning usage surroundings condition consists of condition and time period of opening/closing at entrance 20 and windows 21 .
  • the entrance guarding device 102 of the present embodiment can be an entrance guarding device that centrally detects usage conditions of entrance 20 and windows 21 , and is for centrally detecting usage conditions of more than an entrance 20 and windows 21 ; in addition, the entrance guarding device 102 has one-way infrared detecting unit, two-way infrared detecting unit, electromagnetic switch, ultrasonic sensor unit and/or radio frequency identification (RFID) unit installed at each entrance 20 and windows 21 , and condition of opening/closing at each of the entrances 20 and windows 21 is detected via at least one of the aforesaid units.
  • RFID radio frequency identification
  • the air conditioning control device 104 includes a storage module 1042 that is for storing a set of preset regulation parameters corresponding to different data of air conditioning usage surroundings condition, and the air conditioning control device executes regulation and control over the air conditioning equipment 100 based on the data of air conditioning usage surroundings condition generated by the entrance guarding device 102 with referring to the preset regulation parameters.
  • the preset regulation parameters include the following contents:
  • a first regulation parameter which is for adjusting room temperature of air conditioning equipment 100 up to a corresponding preset temperature each time when the timer unit 1022 calculates a time period of opening at entrance 20 and windows 21 reaching a first preset time period; for example, the first preset time period is preset as 5 minutes, and when the timer unit 1022 calculates that an entrance 20 or window 21 has been open for 5 minutes, preset temperature is raised one Celsius degree up, and 5 minutes later if the entrance or window is still open, the preset temperature is raised one Celsius degree up again.
  • a second regulation parameter which is for turning off operation of air conditioning equipment each time when the timer unit 1022 calculates a time period of opening at entrance or window reaching a second preset time period; for example, the second preset time period is preset as 30 minutes, and when the timer unit 1022 calculates that an entrance 20 or window 21 has been open for 30 minutes, then the air conditioning equipment 100 is turned off.
  • a third regulation parameter which overpowers the foresaid first and second regulation parameters and thus allows air conditioning equipment 100 to keep operating even when entrance 20 and/or windows 21 are open without the need of adjusting preset temperature; in other words, when entrance 20 and/or windows 21 are open, the third regulation parameter instructs the air conditioning equipment 100 to keep operating at present preset temperature, thus to keep room temperature in accordance with the preset temperature at present.
  • air conditioning equipment 100 can temporarily stop air conditioner heater unit 1001 or air handling unit 1002 from operating by increasing temperature preset at the air conditioner heater unit 1001 or air handling unit 1002 , and the air conditioning equipment 100 begins to operate again and turns on the fan coil unit 1004 to get in outdoor fresh air when room temperature reaching the raised preset temperature; and it is based on the raised preset temperature and actual temperature of usage surroundings to decide if the precooling air handler 1003 is to be turned on and run, thereby regulating temperature of usage surroundings to be in accord with the raised preset temperature.
  • Alerting module 106 which generates an alerting message and then sends it to the air conditioning control device 104 each time when entrance 20 and/or windows 21 are open; in the present embodiment, the alerting message, which is generated by the alerting module 106 and then sent to the air conditioning control device 104 when entrance 20 and/or windows 21 are open, can further be used to inform management crew of the condition of opening/closing at the entrance 20 and/or windows 21 .
  • FIG. 2 is an application structure diagram of the second embodiment of a regulation control system of air conditioning equipment of the present invention
  • air conditioning equipment 100 is same as in the first embodiment
  • the regulation control system of air conditioning equipment 10 of the present invention comprises a human body movement detecting device 103 and an air conditioning control device 104 .
  • the human body movement detecting device 103 is for detecting usage condition that if users are inside the usage surroundings of air conditioning equipments; data of air conditioning usage surroundings condition are generated based on the detected usage condition; in the present embodiment, the human body movement detecting device 103 has a timer unit 1032 , and the human body movement detecting device 103 is capable of verifying whether users are inside the surroundings of the air conditioning equipment by utilizing an infrared temperature induction unit, an image acquisition identification unit, and/or an audio perception unit.
  • the air conditioning control device 104 which includes a storage module 1044 that has a set of preset regulation parameters corresponding to different data of air conditioning usage surroundings condition, executes regulation and control over the air conditioning equipment 100 based on the data of air conditioning usage surroundings condition generated by the human body movement detecting device 103 with referring to the preset regulation parameters.
  • the preset regulation parameters may include the following contents:
  • a fourth regulation parameter if users are in the usage surroundings of the air conditioning equipment 100 , instructs to turn on operation of the air conditioning equipment 100 .
  • a fifth regulation parameter if no user is inside the usage surroundings of the air conditioning equipment 100 , instructs to turn off operation of the air conditioning equipment 100 .
  • the sixth regulation parameter which instructs to turn off operation of the air conditioning equipment 100 only if there is no user inside the usage surroundings of the air conditioning equipment 100 and also the timer unit 1032 calculates a time period of condition that indicates no user is inside the usage surroundings of the air conditioning equipment 100 reaching a third preset time period.
  • FIG. 3 is an application structure diagram of the third embodiment of a regulation control system of air conditioning equipment of the present invention
  • air conditioning equipment of the present embodiment is the same as in the first and second embodiments
  • the regulation control system of air conditioning equipment of the present invention comprises an entrance guarding device 102 , a human body movement detecting device 103 , an air conditioning control system 104 and an alerting module 106 .
  • the entrance guarding device 102 the human body movement detecting device 103 , and the alerting module 106 are the same as in the first and second embodiments, therefore, it is no need of repetitive descriptions herein.
  • the air conditioning control system 104 which includes a storage module 1046 that stores a set of preset regulation parameters corresponding to different data of air conditioning usage surroundings condition, executes regulation and control over the air conditioning equipment 100 based on the data of air conditioning usage surroundings condition generated by the entrance guarding device 102 and/or the human body movement detecting device 103 with referring to the preset regulation parameters.
  • the preset regulation parameters include the first regulation parameter through the sixth regulation parameter of the foresaid first and second embodiments, relations among the first regulation parameter through the sixth regulation parameter can be of intersection, union, and/or difference sets.
  • the regulation control system of air conditioning equipment of the present invention combines entrance guarding device and/or human body movement detecting device and air conditioning control device, and provides the air conditioning equipment with data of air conditioning usage surroundings condition generated by the entrance guarding device and/or human body movement detecting device, and the air conditioning control device is capable of regulating and controlling over the air conditioning equipment based on the data of air conditioning usage surroundings condition with referring to preset regulation parameters; accordingly, the air conditioning equipment is regulated to a preset usage condition, thereby reaching objective of energy management of air conditioning equipment.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)
US12/179,004 2007-07-25 2008-07-24 Regulation control system of air conditioning equipment Expired - Fee Related US7984860B2 (en)

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TW096127038 2007-07-25
TW96127038A 2007-07-25
TW096127038A TWI328668B (en) 2007-07-25 2007-07-25 Control system for air conditioning equipment

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US7984860B2 true US7984860B2 (en) 2011-07-26

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US (1) US7984860B2 (de)
EP (1) EP2023051A3 (de)
JP (1) JP2009030956A (de)
KR (1) KR100979185B1 (de)
MY (1) MY144547A (de)
SG (1) SG149787A1 (de)
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US20180106491A1 (en) * 2016-10-17 2018-04-19 Lennox Industries, Inc. Operating a climate control system based on occupancy status
US10731882B2 (en) * 2016-10-17 2020-08-04 Lennox Industries Inc. Operating a climate control system based on occupancy status
US11094183B1 (en) * 2020-06-12 2021-08-17 Donaldo Rex Mitogo Rex cooling master

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KR100979185B1 (ko) 2010-08-31
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SG149787A1 (en) 2009-02-27
EP2023051A2 (de) 2009-02-11
EP2023051A3 (de) 2009-03-18
TWI328668B (en) 2010-08-11
JP2009030956A (ja) 2009-02-12
US20090026280A1 (en) 2009-01-29
KR20090012032A (ko) 2009-02-02

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